12738873

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{4561}}^1$

素因数の和:4597

約数の個数: 24

約数和(自身を含む): 20802720

約数和(自身を除く): 8063847

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 4561, 13683, 31927, 86659, 95781, 223489, 259977, 606613, 670467, 1819839, 4246291, 12738873]

約数ペア:

[(1, 12738873), (3, 4246291), (7, 1819839), (19, 670467), (21, 606613), (49, 259977), (57, 223489), (133, 95781), (147, 86659), (399, 31927), (931, 13683), (2793, 4561)]